<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>freeDownload</title>
</head>
<body>
<form action="/go" method="post">
    csdn文件网址:<input name="username" type="text"/><br>
    邮箱号:<input name="password" type="email"> <br>
    <input type="submit" value="提交">
</form>
</body>
